SOLUTION: solve for r r^2 + 3r = 1

SOLUTION: solve for r r^2 + 3r = 1

Algebra.Com

Question 394748: solve for r
r^2 + 3r = 1
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The standard form of the equation is .
Now let a = 1, b = 3, and c = -1, use the quadratic formula, and simplify:
.
Good luck!
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